baber/WOPTO huggingface dataset:
Patent GB-1154163-A (GB)
Title: Improvements in or relating to the Cultivation and Recovery of Micro-Organisms
Inventor: LAINE BERNARD MAURICE
IPC: C12P21/00
Filed: 1965-10-20
Abstract: 1,154,163. Yeast & c. BRITISH PETROLEUM CO. Ltd. Sept. 27, 1966 [Oct. 20, 1965]; No. 44388/65. Heading C6F. The subject-matter of this Specification is substantially the same as that described and claimed in Specification 1,153,292 except that the remaining product (as referred to) is treated with water, a metal salt (sodium chloride) and the surface active agent. For this purpose the surface active agent may be mixed with fresh water and sea water to constitute the treating medium. Alternatively; the remaining product is treated with   these components sequentially.
Patent GB-1182086-A (GB)
Title: Process for the Production of 2,4-Dichloropyrimidine-5-Carboxylic Acid Chloride
IPC: C07D239/30
Filed: 1968-09-19
Abstract: 1,182,086. 2,4 - Dichloropyrimidine - 5 - carboxylic acid chloride. J. R. GEIGY A.G. 19 Sept., 1968 [20 Sept., 1967], No. 44500/68. Heading C2C. 2,4 - Dichloropyrimidine - 5 - carboxylic acid chloride is obtained by refluxing uracil-5-carboxylic acid with (a) PCl 3  and Cl 2  or (b) PCl 5 , in a reaction medium containing POCl3.
Patent GB-1149468-A (GB)
Title: Method of obtaining hydrogen chloride gas
Inventor: JENKNER HERBERT
IPC: C01B7/09
Filed: 1967-09-29
Abstract: 1,149,468. Hydrogen chloride and bromine. CHEMISCHE FABRIK KALK G.m.b.H. 29 Sept., 1967 [12 Oct., 1966 (2)], No. 44516/67. Heading C1A. [Also in Division B1] Hydrogen chloride gas is obtained from hydrochloric acid solution by passing at least an equimolar quantity of hydrogen bromide into said solution. Bromine may be produced from the resulting solution by passing chlorine gas into it up to an amount of 0À48mol per mole of HBr in solution. Temperatures may be from - 30‹ to +100‹ C. but the range +10‹ to + 35‹ C. is preferred.
Patent GB-1531787-A (GB)
Title: Compositions for production of cores and casting moulds
IPC: B22C1/16
Filed: 1976-10-27
Abstract: 1531787 Foundry mould composition POLITEOHNIKA WARSZAWSKA 27 Oct 1976 44560/76 Heading C3N A composition for producing cores and casting moulds comprises 100 parts by weight of sand, e.g. quartz, 0À5-30 parts by weight of at least one alkali metal hydroxide, e.g. sodium hydroxide, 1-40 parts by weight of at least one alkali metal carbonate, e.g. sodium carbonate, 1-15 parts by weight of water and 0À2-10 parts by weight of a hydrophilic binder, e.g. dextrin.
Patent GB-993290-A (GB)
Title: Rotary spherical fluid flow control valve
Inventor: HANSEN GEORGE EDWARD
IPC: F16K5/06
Filed: 1962-11-26
Abstract: 993,290. Valves. CRANE CO. Nov. 26, 1962, No. 44608/62. Heading F2V. A rotary-spherical valve is provided with a body chamber 6 of frusto-conical configuration in which is disposed a seat 8 of rubber or similar material having lugs 10 that both reinforce and prevent rotation of the seat. The closure member 9 is rotatable within the seat 8, which latter is moulded around the member 9 during seat manufacture. The member 9 is rotated by a handle 15, the opposite end 19 of which moves in a relieved part 22 of the sheet-metal bonnet plate 23 so providing a combined stop and indicator. The chamber 6 is chamfered 24 adjacent the plate 23 to facilitate assembly of an "O"-ring 25 and to afford relief for the outer peripheral seat portion 26. A washer 28, which is interposed between the seat 8 and plate 23, stands proud of the upper body-surface 27 prior to the plate 23 being attached to the body. The operating stem 13 of the member 9 is sealed by an "O"-ring 32 supported on an annular seat shoulder 33. The plate 23 flexes to accommodate any change in volume of the seat 8, and the body incorporates a recess 34 into which a part of the seat 8 may flex.
Patent GB-971413-A (GB)
IPC: H01H9/00
Filed: 1961-12-13
Abstract: 971,413. Switching systems; two-part couplings. C.A.E.M. CONSTRUCTION D'APPAREILS ELECTRIQUES ET MECANIQUES S.A. Dec. 13, 1961 [Dec. 17, 1960], No. 44622/61. Headings H2E and H2H. Electrical apparatus comprises a plurality of electrical loads 3, 4, 5, 6, having a switching arrangement including a power selector 9, by means of which the electrical power consumption of the apparatus can be selectively varied by selectively coupling the loads 3, 4, 5, 6 to an electricity supply 7, 8 and a second switch part in the form of a voltage selector device comprising a fixed plate 2 and a movable plate 1 adapted to be located in a plurality of positions upon the fixed plate 2, each plate having a plurality of contact studs with the studs 15, 18, 17 of movable plate 1 arranged to contact studs 23, 26, 25 of fixed plate 2 in each of the plurality of positions to enable, in use, the internal connections to be varied according to the voltage of the supply. Fig. 1 shows the application to a heater comprising pairs of resistances 3, 4 and 5, 6 connected as shown to studs 23-26 of fixed plate 2 and across supply terminals 7, 8 through switches 19, 29. The power of resistances 5, 6 is twice that of resistances 3, 4 so that according to whether either or both switches 19, 29 are closed, three power settings are obtainable. The studs 11-18 of movable plate 1 are connected as shown and in the position illustrated the resistances of each pair are connected in series for operation on a high voltage. To adjust the heaters for operation on low voltage plate 1 is rotated 45 degrees so that studs 15-18 mate with studs 23-26 and connect the resistances in parallel. Fig. 5 (not shown) illustrates a modification in which the movable plate moves rectilinearly to charge the voltage. In a further modification, Fig. 6 (not shown), the movable plate moves rectilinearly but there are no connections between the fixed circuit and the movable plate, fixed bridges being provided between the studs thereon instead. Figs. 8 and 9 (not shown) illustrate how three resistances can be connected in star or delta by a rectilinearly moving plate for connection to a correspondingly connected three-phase supply. Such an arrangement may have extra connections to permit use also with a low voltage single phase supply, Figs. 10 and 11 (not shown).
Patent GB-1508472-A (GB)
Title: Aluminide diffusion coating
IPC: C23C10/30
Filed: 1975-02-28
Abstract: 1508472 Aluminiding metallic substrates GENERAL ELECTRIC CO 28 Feb 1975 [1 March 1974] 44957/77 Divided out of 1508471 Heading C7F A metallic diffusion coating is produced by (a) providing a powder of an alloy of 51 to 61 wt. per cent of aluminium, the balance being iron, the alloy being predominantly in the form of a two-phase structure of F 2 Al 5  and FeAl 3  which melts above the coating temperature in a binder which will decompose without residue at below the coating temperature, disposing the mixture in a uniform layer to form a flexible film, placing the film in contact with the article to be coated and heating to 1700-2100F. A halide salt activator may be present, e.g. NaF, KF, NH 4 Cl or NH 4 F. The powder may be of 100 to 300 mesh.
Patent GB-1005204-A (GB)
Title: Polymerisation of vinyl monomers
IPC: C08F4/34
Filed: 1962-12-03
Abstract: Polymers of monomers containing a CH2=C< group are made by polymerizing the monomer in the presence of a catalyst comprising oxygen and a preformed complex derived from butyl acrylate and an aluminium alkyl of the formula <FORM:1005204/C3/1> where R represents hydrogen or an alkyl group of 1 to 8 carbon atoms and R1 represents an alkyl group containing 1 to 8 carbon atoms. There may also be present in the polymerizable mix a transition metal oxide, and a preformed polymer as a thickening agent, e.g. polybutyl methacrylate, or polyvinyl acetate.  The monomer may be a vinyl ester, a vinyl nitrile, or an acrylic or alkacrylic acid ester.  Exemplified monomers are n-butyl acrylate, vinyl propionate, ethyl acrylate, vinyl acetate, and mixtures.  Specified aluminium alkyls are triethyl and trioctyl aluminium, and diethyl aluminium hydride.  The metal oxide may be TiO2, or Fe2O3.H2O.  Specifications 891,56 and 1,005,202 are referred to.
Patent GB-1358281-A (GB)
Title: Adjustable valve and its application to an apparatus for recycling the exhaust gases of an internal combustion engine
IPC: F02M23/00
Filed: 1971-10-01
Abstract: 1358281 Recirculating IC engine exhaust gases AUTOMOBILES PEUGEOT and REGIE NATIONALE DES USINES RENAULT 1 Oct 1971 [13 Oct 1970] 45700/71 Heading F1B [Also in Division F2] A valve G for controlling re-cycling of exhaust gases to the induction manifold of an engine has a variable-section passage between inlet 37 and outlet 28 defined by the degree of overlap between port 25 in fixed plate 24 and port 34 in a plate 30 rotatable with shaft 29. Spring 32 acting on ported rotary backingwasher 31 biases plate 30 against plate 24, each plate having a thickness of 0À1-0À2 mm. Shaft 29 may be an extension of the carburetter butterfly shaft, or it may be rotated through a flexible wire and spring reel transmission by a rolling diaphragm motor responsive to induction manifold pressure.
Patent GB-1434929-A (GB)
Title: Electrical switches
IPC: H01H1/26
Filed: 1972-10-04
Abstract: 1434929 Mechanical switches LUCAS ELECTRICAL CO Ltd 19 Sept 1973 [4 Oct 1972] 45723/72 Heading H1N An electric switch comprises a flexible strip 17, Fig. 1, bent to L-shape to form two limbs 18, 19 each carrying a movable contact 23 or 24 whereby when the end of the limb 18 is fixed and the limb is flexed along its length the contact 23 moves to engage a fixed contact 13 and when the limb is twisted the contact 24 moves transversely to engage a side contact 15. A button 22 attached to the free end of the limb 19 is depressed to flex the strip 18 and slides sideways in a channel 14 to rotate the limb 19 about the axis of twist of the limb 18.
Patent GB-1520386-A (GB)
Title: Continuosly operating hearth furnace for the heating of a-nnular workpieces
IPC: F27B9/24
Filed: 1976-11-04
Abstract: 1520386 Discharging furnace work pieces J AICHELIN 4 Nov 1976 [8 Nov 1975] 45896/76 Heading F4B In a continuously, operating hearth-type furnace, annular workpieces 10 are placed at random on a broad driven roller hearth 8 at the furnace entrance 29 and are conveyed through a heating chamber 2 towards the chamber exit, where a sorting device 11 arranges the work pieces in a single row one behind the other. The sorting device comprises a roller conveyer sector 21 with outlet channel 12 bounded on one side by a fixed wall 13 with an oblique portion 16 and on the other side by a movable wall 14 with an oblique portion 15. Fixed deflectors 17, 18 funnel the work pieces towards the outlet channel and rollers in two sectors 30 and 31 are progressively increased in speed so that work pieces become more widely spaced. The movable wall 14 with oblique portion 15 performs a reciprocating motion in the longitudinal direction to prevent jamming. Alternatively jamming may be prevented by imparting to one or both outlet channel walls a vibratory motion. The sorting device may be arranged so that it can swing away from the furnace chamber as indicated by reference numeral 28.
Patent GB-1159162-A (GB)
Title: Method of Fabrication of Cast Floating Structures
Inventor: DEMPSTER HARRY E
IPC: B63B5/14
Filed: 1966-10-14
Abstract: 1,159,162. Concrete marine craft. H. E. DEMPSTER. 14 Oct., 1966 [24 Oct., 1965], No. 45932/66. Heading B7A. [Also in Divisions B5 and E1] A pontoon unit for use singly or assembled with others to form a pontoon, pontoon assembly, floating pier, wharf or other marine structure is made by casting concrete or other settable material in a floating mould 9. The mould is provided with cell-cores forming compartments 11, 23, 24, 25 which are filled with air to float the mould into which material is introduced to form the pontoon unit 1, the cellcores forming chambers 8 into which air is introduced through valves 12 to separate the unit from the mould when valves 13 in the latter are opened to cause water to flood the compartments 11, 23, 24, 25 to sink the mould. The chambers 8 which may be air filled and have open bottoms or contain bladders 18 or flexible containers 19-21, or be filled with a solid buoyant material, form the flotation chambers of the pontoon. The units may be square, rectangular, hexagonal or circular in plan and may be connected together by rings 3 at the end of ribs 2 on the cover which may support a superstructure 6. As shown the rings 3 may accommodate stanchions 4 provided with anchors 5 cast in the compartments 15-16 of the mould, the anchors serving as ballast or to support the pontoon structure on the floor of the body of water 22.
Patent GB-1365455-A (GB)
Title: Imdazobensodiazepines
IPC: A61P25/08
Filed: 1972-10-06
Abstract: 1365455 Imidazobenzodiazepines UPJOHN CO 6 Oct 1972 [2 Nov 1971] 46278/72 Heading C2C Imidazobenzodiazepines are prepared by the following route (R = H, C 1-4  alkyl, C 3-4  alkenyl; R 1  = H, C 1-3  alkyl; R 2  = 2, 3 or 4-Py, 2-pyrimidyl, furyl, pyrryl, thienyl, C 1-3  alkyl, C 2-4  alkenyl, C 5-7  cycloalkyl or cycloalkenyl, R 3 R 4 Ph; R 3,4  = H, halogen, NO 2 , CN, CF 3 , C 1-3  alkyl, alkoxy, alkylthio; alkylsulphinyl, alkylsulphonyl or alkanoylamino, di(C 1-3  alkyl)amino; X = F, Cl, Br), optionally followed by conversion to an acid addition salt. The starting materials are prepared by heating the corresponding 1,3-dihydro-2H-1,4-benzodiazepin-2-one with phosphorus pentasulphide, and reacting the resulting 2-thione with RNH 2 . The above compounds are sedatives, hypnotics, anticonvulsants, tranquillizers and muscle relaxants, and increase growth rate, feed efficiency and milk and egg production in livestock. They may be administered in the form of pharmaceutical and veterinary preparations and feed additives containing them in association with a carrier.
Patent GB-1443750-A (GB)
Title: Optical systems
IPC: G02F1/295
Filed: 1973-10-04
Abstract: 1443750 Light guides UNIVERSITY OF CALIFORNIA REGENTS OF 4 Oct 1973 [10 Oct 1972 12 Feb 1973] 46485/73 Heading G2J [Also in Divisions H1 and H4] A thin film optical device comprises an optical waveguide 20 and at least one boundary layer 24 adjacent thereto, such that a light wave of a predetermined frequency extends into both the waveguide and the layer, the layer having at least one portion which has an index of refraction less than that of the waveguide. A periodic spatial variation in the waveguide and/or in the layer is provided, e.g. in the thickness of the layer 24, as illustrated, or in the interface (30) between them, Fig. 14 (not shown) or in the interface (40) between the waveguide and a substrate (22), Fig. 15 (not shown). Alternatively, the refractive index may alternate periodically along the length of the layer, see Fig. 3 (not shown) and the device 20 ... 24 may be curved, Fig. 12, or cylindrical, Fig. 13, (both not shown), and the periodically varying means 52, 54 may be grouped, Fig. 16, so that each group can act as an end mirror. In the embodiments of Figs. 11 to 16, the waveguide may be a laser active material, or a separate laser active layer, e.g. (46) in Fig. 15, may be applied to the waveguide. Laser materials mentioned are GaAs, rare earth-doped glass, and organic dyes.
Patent GB-1534557-A (GB)
Title: Electronic timepieces
IPC: G04G5/00
Filed: 1976-11-10
Abstract: 1534557 Electronic timepieces DAINI SEIKOSHA KK 10 Nov 1976 [11 Nov 1975] 46802/76 Heading G3T An electronic timepiece has facility for selectively indicating on the same set of digital display devices, the time in any one of two different time zones, the first (e.g. GMT) on a 12-hour clock basis and the second on a 24-hour clock basis. In Fig. 1 time counting means 3 includes a 12 hour counter 6 while counting means 7 includes a 24-hour counter 10. A selecting circuit 15 inlcudes a flip-flop (32) Fig. 4 (not shown) which is set and reset on alternate closures of a manual switch (29). The flip-flop outputs at 15A, 15B control respective sets of transmission gates (detailed Fig. 6 not shown) in secs, mins and hours gate circuits 12, 13, 14 to signal the contents of either one of the counting means 3, 7 to a decoderdriver 16 for display on a 7-segment type numeric display 17. A frequency divider 2 derives 1 Hz timing signals from the output of a crystal controlled oscillator. A circuit 11 (not described) is for setting.
Patent GB-1326160-A (GB)
Title: Headgear structure
IPC: A42B3/10
Filed: 1971-10-28
Abstract: 1326160 Helmet with earcups GENTEX CORP 28 Oct 1971 [12 Nov 1970] 46830/72 Divided out of 1326158 Heading A3V The subject matter of this Specification is substantially the same as that described in Specificaition 1,326,158, but the claims are concerned with the construction of the helmet and earcups.
Patent GB-1514669-A (GB)
Title: Regenerating ion exchange material
IPC: B01J49/90
Filed: 1976-11-11
Abstract: The ion exchange column essentially comprises an exchanger bed (13, 14, 15) located within the hollow body (2) and a plurality of tubes (6, 8) which run from the two longitudinal end zones of the hollow body towards the exchanger bed. The inner ends of the tubes (6, 8) have recesses (9, 12) and adjoin solid rods (7) which are located in the region of the exchanger bed (13, 14, 15), and the outer ends are joined in a liquid-tight manner to intermediary plates (4, 5). At one end of the hollow body (2) there is an inflow connection (16) and at the other end there is an outflow connection (18) for the regeneration and dilution water. Via an input line (21, 22), the spent ion exchanger material flows into the column, and via an output line (17) the regenerated ion exchanger material flows out again. The output line (17) is connected to inner tubes (11) which are run centrally in the tubes (6) running as far as into the exchanger bed. <IMAGE>
Patent GB-1244535-A (GB)
Title: Coatings
Inventor: ESSER HEINZ
IPC: C08K3/013
Filed: 1969-09-26
Abstract: 1,244,535. Coating. FARBENFABRIKEN BAYER A.G. 26 Sept., 1969 [28 Sept., 1968], No. 47408/69. Heading B2E. [Also in Division C3] A coherent, flame proof, impermeable coating is formed by simultaneously spraying onto a support e.g. using a double head spray gun, (i) a dispersion of a rubber or synthetic resin and/or an emulsion of bitumen, tar or pitch containing 5-58% wt total solids of an inorganic, non fibrous filler and (ii) a precipitating agent for the dispersion and/or emulsion. The rubber or synthetic resin dispersion preferably contains 5-73%wt solids and may be natural rubber, polybutadiene, polyisoprene, polychloroprene, butadiene-acrylonitrile copolymers, polyvinyl chloride, polyvinyl alcohol or polyurethane. The emulsion may contain 5-60% wt solids and the bitumen, tar or pitch used suitably has a penetration value of 45-300. When mixtures of the dispersion and emulsion are used a solids content of 5-30% rubber or resin and 5-30% 'bitumen, tar or pitch is suitable. The filler may be bentonite, mica, asbestos, silicic acid, kaolin, chalk, lithophores or ground shale. The precipitation agent may be an aqueous solution of an inorganic salt e.g. CaCl 2 , Ca(NO 3 ) 2 , Al 2 (SO 4 ) 3  or alum or organic acid e.g. CH 3 COOH, HCOOH. A primer layer may first be sprayed without the precipitating agent in order to improve the adhesion of the coating. In the examples, brickwork, rock, tightly woven wire netting and reinforced concrete, are coated. The coatings may also be used in mines for insulating 'fire dams' or used to prevent seepage of water on structutal work, flat roofs or drains.
Patent GB-1526975-A (GB)
Title: Wear resistant soft metal films
IPC: C23C18/40
Filed: 1975-11-18
Abstract: 1526975 Low-friction coatings MASSACHUSETTS INSTITUTE OF TECHNOLOGY 18 Nov 1975 [18 Nov 1974]  47509/75 Heading C7B [Also in Division F2]  Parts in frictional contact have a hard substrate coated with a soft metal of face-centered or hexagonal close-packed structure (C/A > 1À633) or alloy thereof of minimum thickness sufficient to reduce wear and maximum thickness h defined by where G is the shear modulus (ky/cm<SP>2</SP>), b the Burgers vector (X), V Poissons ratio and #f the friction stress (ky/cm<SP>2</SP>) for the soft metal, whereby delamination within the coating does not occur under sliding stress. Examples relate to steel coated with Cd (h = 1Ám), Cu (10-20Ám) or Au (5Ám). Surfaces of Cd and Cu or of Cd and Au may be in sliding contact.
Patent GB-1319264-A (GB)
Title: Grinding or abrading wheels
IPC: B24D5/06
Filed: 1970-10-06
Abstract: 1319264 Abrasive tools L R OLIVER & CO Inc 6 Oct 1970 [15 July 1970] 47515/70 Heading B3D A grinding wheel comprises a substantially flat planar hub portion 24 having an opening 22 for insertion of a shaft, a continuous undulating peripheral edge portion 26, and an intermediate portion between the hub and peripheral portions having a series of spaced vane-like members 30 extending generally radially of the wheel and of increasing axial dimension from the hub portion to the edge portion for causing circulation of ambient air about the wheel during its rotation. The wheel is formed from a flat metal disc by stamping and abrasive, such as crushed carbide, silicon carbide grit, aluminium oxide grit, is bonded or brazed to the edge. The edge may be sinusoidal (Fig. 4, not shown) or consist of straight edge portions 32, 34 connected by straight vane portions 52, 54. The edge portions 32, 34 may be displaced an equal amount on opposite sides of the plane of the hub portion or may be displaced to one side only (Fig. 4). The peripheral contour may be convex, flat or concave (Fig. 5, not shown). A number of wheels may be assembled on a shaft in uniformly spaced apart relation so as to intermesh, the wheels being held apart by spacers or washers, or so that oppositely disposed edge portions abut and are secured together by rivets or brazing. Inlet apertures may be formed in the wheels so that air or cooling liquid may enter between the wheels and be pumped by the vanes to the edges of the wheels.
Patent GB-1280899-A (GB)
Title: Improvements in hydraulic props
IPC: E21D15/44
Filed: 1969-09-26
Abstract: 1280899 Hydraulic pit props GEWERKSCHAFT EISENHUTTE WESTFALIA 26 Sept 1969 [21 June 1969] 47531/69 Heading E1P In a hydraulic pit prop of the multi-stage type having inner sections 3, 2 advanced in sequence by pressure fluid fed to a chamber 8 and thence through a check valve 5, to a chamber 7, the section 3 is first retracted by pressure fluid fed to a robbing chamber 13 whereupon a check valve 6 is operated to allow the section 2 to be retracted under its own weight or by manual means.
Patent GB-988188-A (GB)
Title: Improvements in or relating to welding austenitic chromium-nickel steels
IPC: B23K35/04
Filed: 1962-12-18
Abstract: In automatic arc welding austenitic chromium nickel steel, the filler material at least partly in wire from produces the following weld deposit:- .0.05- 0.2%.C .0.25- 0.5%.Si .1.5 - 2.5%.Mn .24 -26%.Cr .19 -21%.Ni .0.2 - 1%.Ti and/or Zr .balance.Fe and impurities An electrode of the above compositions may be used in gas shielded arc welding.  In submerged arc welding part of the deposit, e.g. Ti and/or Zr, may be provided by the welding powder.